Dr. Guy Patrick Murphy, MD
- Medicare services, 2024
- 586
- Medicare patients, 2024
- 557
- Part D claims, 2024
- 291
- Industry payments
- $73
- Medical groups
- 3
- Practice address
- 19801 Observation Dr, Germantown, MD 20876
- Practice phone
- Call (301) 754-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Holy Cross Germantown Hospital
Germantown, Maryland
Find Dr. Murphy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Guy Patrick Murphy is an emergency medicine physician in Germantown, Maryland
Dr. Murphy practices at Holy Cross Germantown Hospital in Germantown, Maryland.
Dr. Murphy's NPI, 1467405548, was assigned on May 18, 2006. Dr. Murphy holds Colorado license DR.0055216.
- NPI
- 1467405548NPI Registry (opens in a new tab)
- NPI enumeration date
- May 18, 2006
- NPI status
- Active
- Practice phone
- (301) 754-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Guy Patrick Murphy practices at Holy Cross Germantown Hospital in Germantown, Maryland
Dr. Murphy's primary practice is Holy Cross Germantown Hospital, at 19801 Observation Dr, Germantown, MD 20876 in Montgomery County. The practice phone is (301) 754-7000.
- Holy Cross Germantown Hospital19801 Observation Dr, Germantown, MD 20876 · Montgomery CountyPhone(301) 754-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Guy Patrick Murphy is affiliated with 1 site of care and 3 medical groups
Dr. Murphy's primary practice is Holy Cross Germantown Hospital in Germantown, Maryland. The medical group on file is Emergency Medicine Physicians (EMP). Dmand AI also links Dr. Murphy to 2 more medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Guy Patrick Murphy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Murphy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holy Cross Germantown Hospital | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Guy Patrick Murphy is one of 1,057 emergency medicine physicians in Maryland
Emergency medicine is Dr. Murphy's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Murphy's licenses on file in 3 states: Colorado, Maryland and Virginia.
Specialties and state licenses
- Emergency medicine, ColoradoPrimary
- Maryland license
- Virginia license
Emergency medicine physicians near Dr. Murphy
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Guy Patrick Murphy billed Medicare for 586 services in 2024
CMS data shows 586 Medicare services from Dr. Murphy across 5 procedure codes in 2024, for 557 Medicare patients. Medicare paid $78,150 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Murphy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5462024: 5653%
- Tests and treatments
- 2023: 02024: 21
Dr. Murphy compared with the Maryland median for emergency medicine physicians, 2024
- Dr. Murphy
- Maryland median
- Medicare services
- 586vs 30095% above
- Medicare patients
- 557vs 29291% above
- Part D claims
- 113vs 442.6 times
Medians across 1,040 emergency medicine physicians in Maryland with Dmand AI profiles that report each measure.
Dr. Murphy's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Guy Patrick Murphy treated 557 Medicare patients in 2024, average age 75
CMS counts 557 Medicare patients who saw Dr. Murphy in 2024. The largest group is 75 to 84, with 191 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Murphy's median patient age at 37, with 0% women.
Dr. Murphy's Medicare patients by age, 2024
Dr. Murphy's Medicare patients by sex, 2024
- Women34462%
- Men21338%
Chronic conditions among Dr. Murphy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes45%
- Mood disorders43%
- Chronic kidney disease39%
- Ischemic heart disease39%
- Depression37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Murphy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Guy Patrick Murphy wrote 291 Medicare Part D claims in 2024
In 2024, Dr. Murphy wrote 291 Medicare Part D claims for 194 patients. 97% of them were for generic drugs. CMS names the drug for 113 of them, across 6 drugs with 11 or more claims each, at $616 in total drug cost. In 2023, CMS named 87 claims across 5 drugs.
Dr. Murphy's Part D claims by kind of drug, 2024
- Generic281 claims97%
- Brand-name and other10 claims3%
Dr. Murphy's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Murphy's Part D claims, 2024
- Opioids9%26 of 291 claims
- Antibiotics18%51 of 291 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 872024: 11330%
Drugs named by CMS: 6 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Guy Patrick Murphy received $73 in industry payments from 2016 to 2022
CMS Open Payments shows 4 general payments to Dr. Murphy from 2 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $43.
General payments to Dr. Murphy by program year, 2016 to 2022
Companies that paid Dr. Murphy the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Guy Patrick Murphy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Guy Patrick Murphy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Guy Patrick Murphy's NPI number?
Dr. Guy Patrick Murphy's NPI number is 1467405548. It was assigned on May 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Guy Patrick Murphy?
Dr. Guy Patrick Murphy is an emergency medicine physician in Germantown, Maryland. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Guy Patrick Murphy practice?
Dr. Murphy practices at 19801 Observation Dr, Germantown, MD 20876. Dr. Murphy's primary practice is Holy Cross Germantown Hospital in Germantown, Maryland. Dmand AI also links Dr. Murphy to 2 medical groups.
What is Dr. Guy Patrick Murphy's office phone number?
The practice phone on file for Dr. Murphy is (301) 754-7000.
What is Dr. Guy Patrick Murphy's medical license number?
Dr. Murphy holds Colorado license DR.0055216, one of the licenses on file in 3 states.
Which states has Dr. Guy Patrick Murphy been licensed in?
Dmand AI has state licenses on file for Dr. Murphy in Colorado, Maryland and Virginia.
What medical group is Dr. Guy Patrick Murphy part of?
Dr. Murphy is linked to Emergency Medicine Physicians (EMP). Dmand AI links Dr. Murphy to 2 more medical groups.
Does Dr. Guy Patrick Murphy accept Medicare?
Yes. CMS data shows Dr. Murphy billed Medicare for 586 services in 2024.
How many Medicare patients does Dr. Guy Patrick Murphy see?
CMS counts 557 Medicare patients who saw Dr. Murphy in 2024, with an average age of 75.
What services does Dr. Guy Patrick Murphy bill to Medicare?
In 2024, Dr. Murphy's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
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What drugs does Dr. Guy Patrick Murphy prescribe most?
In 2024 Medicare Part D data, Dr. Murphy's most prescribed drugs by claims were Naproxen, Cefuroxime and Prednisone.
Has Dr. Guy Patrick Murphy received payments from drug or device companies?
CMS Open Payments shows $73 in general payments to Dr. Murphy from 2 companies from 2016 to 2022. The largest total came from Novo Nordisk Inc.
How long has Dr. Guy Patrick Murphy been practicing?
Dr. Murphy graduated from medical school in 1988, 38 years ago.
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